The Stud,locked in, cataloged under National Stock Number 5307-01-362-9819, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-362-9819 |
| Primary Part Number | TR28000A203-15 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BODY |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.422 INCHES MINIMUM AND 0.452 INCHES MAXIMUM NUT THREAD IN |
| Thread Length | 0.500 INCHES MINIMUM AND 0.562 INCHES MAXIMUM STUD THREAD IN |
| Hardness Rating | 48.0 ROCKWELL C MINIMUM |
| Style Designator | LOCKED IN |
| Material Document and Classification | AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Distance From End of Stud End Threads to Nut End | 0.938 INCHES NOMINAL IN |
| Nominal Thread Size | 0.312 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.437 INCHES STUD THREAD IN |
| Locking Feature | RING, LOCK KEYED |
| Surface Treatment | PASSIVATE BODY |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A STUD THREAD A |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 24 NUT THREAD |
| Thread Quantity Per Inch | 14 STUD THREAD |
| Material | IRON ALLOY 660 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| TR28000A203-15 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 682-557-2315 | 5/2 Secondary reference U.S. Government activity |
| TR28001A103D15 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc. Div Tridair Products |
NSN 5307-01-362-9819 is a Stud,locked in, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-362-9819 has 1 manufacturer part number on file: TR28000A203-15 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for TR28000A203-15: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BODY; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.422 INCHES MINIMUM AND 0.452 INCHES MAXIMUM NUT THREAD IN; Thread Length: 0.500 INCHES MINIMUM AND 0.562 INCHES MAXIMUM STUD THREAD IN. 22 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.